a)What type of supernova is most luminous in light? (b) What kind of star results in such an explosion? (c) What type of supernova is most luminous in neutrino emission?
Q: A supernova remnant is now 3.65 pc in radius and is expanding at 4,850 km/s. Approximately how many…
A: Given, Radius of remnant of supernova = 3.65 pc = 1.116×1014km Rate of expanding = 4850 km/s
Q: If an X-ray binary consists of a 17-solar-mass star and a neutron star orbiting each other every…
A: The expression for the Kepler’s third law is as follows: MA+MB=a3p2 1
Q: For a main sequence star with luminosity L, how many kilograms of hydrogen is being converted into…
A:
Q: Calculate the total energy output per second in watts (W) of a star that converts 900 million tonnes…
A: To calculate the energy output per second in watts (W) of a star that converts 900 million tonnes of…
Q: A supernova occurs 140,000 light years from Earth, where a neutron star of mass 1.6 solar masses and…
A:
Q: dP dr GM(r)p(r) p2
A:
Q: The apparent magnitude of a star is observed to vary between m = +0.4 and m = +0.1 because the star…
A: Given: The apparent magnitude of the star varies between m+ = 0.4 and m- = 0.1 The radius of the…
Q: a supernova remnant is now 2.95 pc in radius and is expanding at 3,850 km/s. approximately how many…
A: Given information: The radius of the supernova remnant (D) = 2.95 pc = 2.95 (3.1×1013 km) = 9.145…
Q: This star has a mass of 3.3 MSun. what is the main sequence lifetime of this star? You may assume…
A: Given data: Mass of the star MStar=3.3 MSun. The life time of the main sequence star is given as,…
Q: A G0 III star with a mass of about 1 M⊙ sits on the horizontal branch. Horizontal branch stars are…
A: Given information: The mass of the star (M) = 1 M⊙ The luminosity of the star (L) = 100 L⊙ The…
Q: When two stars are in the same star system, they can affect each other’s evolution. Two stars in the…
A: Two stars in the same system might evolve at a different pace, depending on their distances in the…
Q: In a Type Ia supernova, the cause of the violent outburst is: 1) the sudden emission of a shell…
A: A supernova is the explosion of a star that happens during the final evolutionary stages of a…
Q: What is the free-fall time of a 10 MSun main-sequence star? O 100 hours 10 hours O 1 hour O 0.1…
A: The problem is based upon free fall of a star. Here the given star is having the mass 10 times the…
Q: The present-day density of the sun is about 1.4 g/cm3. The volume of a sphere is 4/3πr3. The density…
A: Given:ρsun=1.4g/cm3ρstar=ρsunxRsunRstar3volume of sphere =4/3πr3to find:ρsun when Rsun=50 times…
Q: What is the escape velocity (in km/s) from the surface of a 1.5 M neutron star? From a 3.0 M neutron…
A:
Q: What is the escape velocity (in km/s) from the surface of a 1.6 M, neutron star? From a 3.0 Mo…
A: The mass of the Sun, M⊙=1.99×1030 kg The radius of the neutron star, r=11 km
Q: 2GM What is the escape velocity (in km/s) from the surface of a 1.1 Mo neutron star? From a 3.0 M.…
A: Escape velocity is the speed that is sufficient for a body to escape from a gravitational center of…
Q: calculate the main sequence lifetime of (a) a 4M☉ star, and (b) a 0.75M☉ star. Express the lifetimes…
A: The lifetime of the main sequence stars is given as: τMSτSun = MMsun-2.5 where, τsun = 1010 years
Q: We learned in class that, when stars collapse under their own gravity, they conserve angular…
A:
Q: The ring around SN 1987A (see the figures below) initially became illuminated when energetic photons…
A: To calculate how long after the supernova SN 1987A the ring became illuminated, we need to consider…
Q: A supernova remnant is now 3.05 pc in radius and is expanding at 1,100 km/s. Approximately how many…
A: Given, The radius: r=3.05 pc=3.05×3.1 × 1013 km 1 pc =3.1 × 1013 kmor, r=9.455 ×…
Q: Select all of the statements about the main sequence stage in the life of a star that are TRUE:…
A: The statements about the main sequence stage in the life of a star that are TRUE: All stars spend…
Q: QUESTION 16 Use the figure shown below to complete the following statement: A low-mass protostar…
A: During the formation of a low-mass protostar, a protostar accumulates mass by accreting material…
Q: If Betelgeuse is a M2 type star, what is the approximate temperature of the star in K?
A: Introduction - It is a supergiant star and the distance of this star from the sun is approximately…
Q: If a 1.40 MSun neutron star has a radius of 10.0 km, what is the radius (in km) of a 2.15 MSun…
A: A 1.40 MSun neutron star has a radius of 10.0 km, what is the radius (in km) of a 2.15 MSun neutron…
Q: One way to calculate the radius of a star is to use its luminosity and temperature and assume that…
A:
Q: During the collapse of a supernova explosion, calculate the change in gravitational potential hergy…
A: During explosion of supernova, the gravitational potential energy of the core is lost, hence the…
Q: As a cluster of stars begins to age, which type of star in the cluster will move off the main…
A:
Q: Place the following events in the formation of stars in the proper chronological sequence, with the…
A: The question can be solved as follows
Q: If a circular accretion disk around a 1.4 M. neutron star has a radius of 8.00 x 10° km as measured…
A: Given data: Mass of the Neutron star is, M= 1.4 Ms Where, Ms - Mass of the sun Therefore, Mass of…
Q: A supernova remnant is now 3.85 pc in radius and is expanding at 3,350 km/s. Approximately how many…
A:
Q: A star has a period of P = 37 days. It has a radius of 5.7 times the radius of the sun. Calculate…
A: The period of the star: P = 37 days (37 x 24 x 60 x 60 seconds = 3.2 x 106 seconds); The radius of…
Q: O stars
A: In the H-R diagram we see that stellar masses decrease downward along the main sequence. At the…
Q: Imagine that you are observing the light from a distant star that is located in a galaxy 100 million…
A: Distance from star to earth d=100 million lightyears. Upon receiving light from this star we are…
Q: If an X-ray binary consists of a 10-solar-mass star and a neutron star orbiting each other every…
A: from the equation relating the period of orbit P and the semi-major axis of orbit a, we have…
Q: Finally estimate the lifetime of an M0 spectral type star if the total mass of the star is M =…
A:
Q: A distant Nebula is now 2.35 pc in radius and is expanding at 1100 km/s. Approximately when did the…
A: The rate of expansion of the Nebula is given by the formula,…
Q: A main sequence star of mass 25 M⊙has a luminosity of approximately 80,000 L⊙. a. At what rate DOES…
A: Given information: The mass of the star (m) = 25M⊙ The luminosity of the star (L) = 80000L⊙ part a):…
Q: The radius of the nebula is about 0.401 light-years. The gas is expanding away from the star at a…
A: Given that, r=0.401 light year1 light year=9.46×1015 mr=0.401×9.46×1015=3.79×1015 mThe particle at…
Q: Betelgeuse is a nearby supergiant that will eventually explode into a supernova. Let's see how…
A:
(a)What type of supernova is most luminous in light?
(b) What kind of star results in such an explosion?
(c) What type of supernova is most luminous in neutrino emission?
(d) What kind of star results in such an explosion?
![](/static/compass_v2/shared-icons/check-mark.png)
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)